تصفح Chemical Engineering حسب النوع "Article"
السجلات المعروضة 61 -- 80 من 866
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Acrylonitrile process enhancement through waste minimization: Effect of reaction conditions and degree of backmixing
( MDPI AG , 2021 , Article)Waste minimization in reactor design is an effective approach for pollution control, when compared to the traditional practice of the end-of-pipe treatment. Reactor degree of backmixing and operating conditions are important ... -
Activated carbon-doped polystyrene fibers for direct contact membrane desalination
( Springer Nature , 2020 , Article)Membranes for direct contact membrane distillation were produced from electrospun polystyrene microfibers doped with activated carbon. The addition of activated carbon reduced the hydrophobicity of the fibers. Therefore, ... -
Adaptive and Predictive Control of Liquid-Liquid Extractors Using Neural-Based Instantaneous Linearization Technique
( WILEY-VCH Verlag GmbH & Co. , 2006 , Article)Nonlinearity of the extraction process is addressed via the application of instantaneous linearization to control the extract and raffinate concentrations. Two feed-forward neural networks with delayed inputs and outputs ... -
Adsorption and desorption equilibria of nitrogen, methane, ethane, and ethylene on date-pit activated carbon
( American Chemical Society , 2010 , Article)Date pits were used to produce a highly porous activated carbon. The resulting date-pit activated carbon was used in a volumetric adsorption apparatus to measure the vapor-phase adsorption and desorption of nitrogen, ... -
Adsorption energy and pore-size distributions of activated carbons calculated using Hill's model
( Multi-Science Publishing Co. Ltd , 2014 , Article)An integral equation derived using a statistical physics treatment by considering the adsorption energy distribution (AED) was used to model the adsorption of ethylene and ethane on resorcinol-formaldehyde-based activated ... -
Adsorption Equilibrium and Kinetics of Nitrogen, Methane and Carbon Dioxide Gases onto ZIF-8, Cu10%/ZIF-8, and Cu30%/ZIF-8
( American Chemical Society , 2019 , Article)Various ZIFs (ZIF-8, Cu10%/ZIF-8, and Cu30%/ZIF-8) were exploited in the adsorption of N2, CH4, and CO2 gases over a temperature range from 25 to 55 C. The dual site Langmuir model was used to describe the measured adsorption ... -
Adsorption equilibrium studies of CO2, CH4 and N2 on various modified zeolites at high pressures up to 200 bars
( Elsevier B.V. , 2018 , Article)Power generation industries are mostly built on integrated gasification combine cycle (IGCC) which uses high pressure system to turn fossil fuels into pressurized gas i.e. synthesis gas (syngas) which in turn produce energy ... -
Adsorption kinetic, equilibrium and thermodynamic studies of eosin-B onto anion exchange membrane
( Desalination Publications , 2019 , Article)In this research, batch adsorption of anionic dye Eosin-B (EB) onto anion exchange membrane (AEM) (BI) from aqueous solution has been investigated at room temperature. The effect of some operating conditions such as ... -
Adsorption of Carbon Dioxide, Methane, and Nitrogen Gases onto ZIF Compounds with Zinc, Cobalt, and Zinc/Cobalt Metal Centers
( Hindawi Limited , 2019 , Article)ZIF-8, Co-ZIF-8, and Zn/Co-ZIF-8 are utilized in adsorbing nitrogen (N2), methane (CH4), and carbon dioxide (CO2) gases at temperatures between 25 and 55 C and pressures up to 1 MPa. Equilibrium adsorption isotherms and ... -
Adsorption of CO2 on Cu/SiO2 nano-catalyst: Experimental and theoretical study
( Elsevier B.V. , 2022 , Article)Copper-based silica is a promising catalyst for several reaction pathways for CO2 conversion to hydrocarbons. The activity of this catalyst in terms of conversion and product selectivity is affected by CO2 adsorption, ... -
Adsorption of endocrine disrupting compounds and other emerging contaminants using lignocellulosic biomass-derived porous carbons: A review
( Elsevier Ltd , 2020 , Article)Hydrochars from lignocellulose biomass have received an upsurge of interest in different fields, especially in the area of adsorption. Hydrothermally produced hydrochars are effective adsorbents for removing different ... -
Adsorption process of n-alkanes onto BAX-1100 activated carbon: Theoretical estimation of isosteric heat of adsorption and energy distribution of heterogeneous surfaces
( Elsevier B.V. , 2018 , Article)Adsorption of the n-alkane series, C1-C7, on Westvaco BAX-1100 activated carbon were measured over very broad ranges of temperature (293-393 K) and pressure (0.06-4964 Torr), depending on the n-alkane. Different behaviors ... -
Adsorptive Removal of Arsenic and Mercury from Aqueous Solutions by Eucalyptus Leaves
( Springer International Publishing , 2017 , Article)The study is a first-time investigation into the use of Eucalyptus leaves as a low-cost herbal adsorbent for the removal of arsenic (As) and mercury (Hg) from aqueous solutions. The adsorption capacity and efficiency were ... -
Adsorptive removal of mercury from water by adsorbents derived from date pits
( Nature Publishing Group , 2019 , Article)The current work presented here focuses on the remediation of mercury from water using modified low-cost materials. Modified date pits, low cost, minimal pretreatment steps and locally abundant agricultural waste materials ... -
Advancements in concrete mix designs: High-performance and ultrahigh-performance concretes from 1970 to 2016
( American Society of Civil Engineers (ASCE) , 2018 , Article)This paper reviews the methods adopted to produce high-performance concrete (HPC) and ultrahigh-performance concrete (UHPC). The chronological development of these concretes in terms of their constituents, mixture proportions, ... -
Advances in Tailoring Resorcinol-Formaldehyde Organic and Carbon Gels
( WILEY-VCH Verlag , 2011 , Article)An overview on the preparation and properties of resorcinol-formaldehyde (RF) organic and carbon gels reveals the fascinating and remarkably flexible properties of RF carbon and organic gels and how these properties are ... -
Ag/Co3O4 as an effective catalyst for glycerol electro-oxidation in alkaline medium
( Elsevier Ltd , 2021 , Article)Herein, we report two different modes of combustion synthesis to prepare Ag/Co3O4 for glycerol electro-oxidation reaction. The synthesis technique allows us to deposit and disperse cobalt on the surface of silver and ... -
Algal cells harvesting using cost-effective magnetic nano-particles
( Elsevier B.V. , 2020 , Article)Innovative iron-based nanoparticles were synthesized, characterized and tested for the first time for harvesting single and mixed algal culture from real wastewater. The tailor-made magnetic nanoparticles (MNPs; Fe-MNP-I ... -
Amidoximes: Promising candidates for CO 2 capture
( Royal Society of Chemistry , 2011 , Article)Monoethanolamine (MEA) dominates power plant carbon dioxide (CO 2) scrubbing processes, though with major disadvantages such as a 8-35% energy penalty. Here we report that structurally comparable amidoximes are promising ... -
Amino-functionalised silica-grafted molecularly imprinted polymers for chloramphenicol adsorption
( Elsevier Ltd , 2020 , Article)This research investigated the liquid-phase removal of chloramphenicol (CAP), an emerging contaminant using molecularly imprinted polymers (MIPs). CAP adsorption profiles, equilibrium, and kinetics were analysed. The ...